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124993040 = 2452367931
BaseRepresentation
bin1110111001100…
…11111000010000
322201012022012212
413130303320100
5223444234130
620223011252
73045265124
oct734637020
9281168185
10124993040
1164612137
1235a39b28
131cb847a3
1412859584
15ae8ee95
hex7733e10

124993040 has 40 divisors (see below), whose sum is σ = 303248448. Its totient is φ = 47822720.

The previous prime is 124993031. The next prime is 124993049. The reversal of 124993040 is 40399421.

124993040 = T223 + T224 + ... + T912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124993031) and next prime (124993049).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 124992988 and 124993006.

It is not an unprimeable number, because it can be changed into a prime (124993049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32126 + ... + 35805.

Almost surely, 2124993040 is an apocalyptic number.

124993040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124993040 is an abundant number, since it is smaller than the sum of its proper divisors (178255408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124993040 is a wasteful number, since it uses less digits than its factorization.

124993040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67967 (or 67961 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 124993040 is about 11180.0286225036. The cubic root of 124993040 is about 499.9907198278.

The spelling of 124993040 in words is "one hundred twenty-four million, nine hundred ninety-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 67931 135862 271724 339655 543448 679310 1086896 1358620 1562413 2717240 3124826 5434480 6249652 7812065 12499304 15624130 24998608 31248260 62496520 124993040